Semantic Understanding

Tree-sitter parses your code into a syntax tree, enabling features like code folding, selection expansion, and precise highlighting.

Instant Updates

Syntax highlighting updates in real-time as you type, with no lag or delay even in large files.

Error Recovery

Even with syntax errors, Tree-sitter maintains accurate highlighting for the rest of your code.

Fast

Open large Fish projects instantly. Navigate & edit with zero lag, even in massive codebases.

Agentic

Generate Fish code, write tests, and refactor with integrated AI that understands your context.

Collaborative

Pair program, debug together, and share your Fish projects with your team in real-time.